CVE-2026-8185 UGREEN CM933 Administrative missing authentication

Medium 5.3 Published Updated

Attackers on the local network can access the administrative interface without authentication, potentially gaining unauthorized control over the device.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-8185?

CVE-2026-8185 is a medium-severity missing authorization vulnerability in UGREEN CM933, published on 9 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A security vulnerability has been detected in UGREEN CM933 1.1.59.4319. The impacted element is an unknown function of the component Administrative Interface. Such manipulation leads to missing authentication. The attack requires being on the local network. You should upgrade the affected component. The vendor replied: "We have successfully confirmed and reproduced the issue. We take this matter very seriously and have incorporated the fix into our development schedule. The issue is scheduled to be resolved in the release version coming in late April."

Weakness: CWE-306, CWE-287

Which versions are affected by CVE-2026-8185?

How do I fix CVE-2026-8185?

No fix has been published for CVE-2026-8185 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-8185 being exploited?

There is no known exploitation of CVE-2026-8185 in the wild and no public exploit code.

Sources

Also known as GHSA-727c-q756-hcp2.

Is CVE-2026-8185 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free